sovisalstore
sovisalstore sovisalstore
  • 03-03-2022
  • Mathematics
contestada

✓a²=a find out ✓a² not Equal a​

Respuesta :

mmmmig mmmmig
  • 03-03-2022

Answer:

It can't be anything other that a maybe the question is wrong ask a tutor

have a nice day

Step-by-step explanation:

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ganjilaya2019
ganjilaya2019 ganjilaya2019
  • 03-03-2022

Answer:

√a² = |a|

Step-by-step explanation:

√a² = |a| not a

because the amount of "a" can be negative and when it reaches power 2 the minuse sign converts to plus sign , so we must use absolute value : |a| . notice that the answer never can be negative.

example:

a = -2

√(-2)² = √+4 = |-2| = 2 -2

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